Laser-induced damage criterion

M. F. Koldunov; Alexander A. Manenkov; I. L. Pokotilo

doi:10.1117/12.274254

13 May 1997 Laser-induced damage criterion

M. F. Koldunov, Alexander A. Manenkov, I. L. Pokotilo

Proceedings Volume 2966, Laser-Induced Damage in Optical Materials: 1996; (1997) https://doi.org/10.1117/12.274254
Event: Laser-Induced Damage in Optical Materials: 1996, 1996, Boulder, CO, United States

Abstract

An adequate choice of a damage criterion has a key significance for development of a laser induced damage (LID) theory in transparent dielectrics. In this connection a comparative analysis of damage criteria applicable to different damage mechanisms is done in this paper. A consistent formulation of a thermoelastic damage criterion is given and one of the most important LID characteristics - the pulsewidth dependence of the LID threshold is obtained. An applicability range of the damage criterion and the pulsewidth dependence are discussed. Theoretical results for the pulsewidth dependence are compared with available experimental data and a good agreement is found in a very wide pulsewidth range from nanoseconds to femtoseconds.

Citation Download Citation

M. F. Koldunov, Alexander A. Manenkov, and I. L. Pokotilo "Laser-induced damage criterion", Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); https://doi.org/10.1117/12.274254

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